Getting bloom books from someone else's collection into my collection

Dear Friends, I work in Indonesia and I suspect that dozens of Bloom books have already been produced and recorded in the Indonesian language. I would like to get copies of those already-recorded-bloom-books into my collection on my desktop and recorded portions of the vernacular language and then release/distribute the newly updated bloom books into my community. This process would save me lots of time because I would not need to re-record the Indonesian portions of the bloom book. IS this possible? If so, how? Thanks Craig